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Finding the Fourth Proportional to 607,764.60, 910,444.05 and 532,969.20

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Solution

The fourth proportional to 607,764.60, 910,444.05 and 532,969.20 is: 798,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,764.60 : 910,444.05 = 532,969.20 : x
  2. Step 2: Convert to fraction form
    607,764.60/910,444.05 = 532,969.20/x
  3. Step 3: Cross multiply
    607,764.60x = 910,444.05 × 532,969.20
  4. Step 4: Simplify right side
    607,764.60x = 485,238,636,973.26
  5. Step 5: Solve for x
    x = 485,238,636,973.26/607,764.60
  6. Step 6: Final answer
    x = 798,398.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.